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authorPiotr Esden-Tempski2011-10-30 18:40:26 -0700
committerPiotr Esden-Tempski2011-10-31 14:10:47 -0700
commit30d1aa957e57a3487124648b3590c28f72815c34 (patch)
tree1e9ec627fe1aa8e1042e9a927dd8840df083acf1 /examples/stm32/f1/lisa-m/usb_cdcacm/cdcacm_test.py
parente0fe43357d1f2f986e7969a3d6efe723e6828fcf (diff)
Added cdcacm (usb serial) example for lisa-m with a small basic stresstesting python script.
Diffstat (limited to 'examples/stm32/f1/lisa-m/usb_cdcacm/cdcacm_test.py')
-rw-r--r--examples/stm32/f1/lisa-m/usb_cdcacm/cdcacm_test.py38
1 files changed, 38 insertions, 0 deletions
diff --git a/examples/stm32/f1/lisa-m/usb_cdcacm/cdcacm_test.py b/examples/stm32/f1/lisa-m/usb_cdcacm/cdcacm_test.py
new file mode 100644
index 0000000..4a9f491
--- /dev/null
+++ b/examples/stm32/f1/lisa-m/usb_cdcacm/cdcacm_test.py
@@ -0,0 +1,38 @@
+#! /usr/bin/env python
+
+import serial
+import signal
+import sys
+import time
+
+def signal_handler(signal, frame):
+ print 'You pressed Ctrl+C!'
+ ser.close();
+ sys.exit(0)
+
+signal.signal(signal.SIGINT, signal_handler);
+
+ser = serial.Serial('/dev/cu.usbmodemDEM1', 115200, timeout=1);
+
+error = 0
+
+tim = time.time();
+
+cycles = 0
+
+while 1==1:
+
+ ser.write("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^&*(){}");
+
+ buf = ser.read(75);
+
+ cycles += 1
+
+ if buf != "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^&*(){}" :
+ error+=1
+
+ print "received " + buf + " errors: " + str(error) + " cycles: " + str(cycles) + " runtime: " + str(time.time() - tim)
+
+ #time.sleep(0.1);
+
+ser.close();